Landscape metrics

The Shannon diversity index of land cover types (SHDI) and the mean of the perimeter to area ratio of patches within the landscape (PAR). For more details see: Steckel, J., Westphal, C., Peters, M.K., Bellach, M., Rothenwoehrer, C., Erasmi, S., Scherber, C., Tscharntke, T. & Steffan-Dwenter, S. (2014) Landscape composition and configuration differently affect trap-nesting bees, wasps and their antagonists. Biological Conservation, 172, 56–64.本数据集包含土地覆盖类型香农多样性指数（Shannon diversity index, SHDI），以及景观内斑块周长-面积比的均值（perimeter to area ratio, PAR）。如需获取详细说明，请参阅：Steckel, J.、Westphal, C.、Peters, M.K.、Bellach, M.、Rothenwoehrer, C.、Erasmi, S.、Scherber, C.、Tscharntke, T. 与 Steffan-Dwenter, S.（2014）《景观组成与构型对陷阱筑巢蜂、胡蜂及其天敌的差异化影响》，《生物保护》，172卷，56-64页。